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06 Jun 2024, 13:50
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There are no models that have more than 500 horsepower.: No
All of the models that weigh more than 4,000 lb (pounds) have more than 400 horsepower.: No
The least expensive model produces the least horsepower per liter of engine size.: Yes
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
66% (02:22) correct
34%
(01:41)
wrong
based on 2517
sessions
History
Date
Time
Result
Not Attempted Yet
The table gives information for 20 models of sports cars.
For each of the following statements, select Yes if the statement is true based on the information given. Otherwise select No.
| Model | Weight (lb) | Engine size (L) | Horsepower (HP) | Price ($) | S/HP ratio |
|---|---|---|---|---|---|
| Biota | 3208 | 6.2 | 430 | 45170 | 105.05 |
| Boris | 3232 | 3.7 | 332 | 40450 | 121.84 |
| Chaffer | 3920 | 5.4 | 540 | 41930 | 77.65 |
| Corbin | 3972 | 5.7 | 368 | 34000 | 92.39 |
| D2 | 3704 | 4 | 420 | 48900 | 116.43 |
| Dasher | 3860 | 6.2 | 426 | 33195 | 77.92 |
| Gazelle | 3524 | 3.5 | 306 | 34050 | 111.27 |
| Gia | 4083 | 6.1 | 425 | 34000 | 80 |
| Granato | 3356 | 4.6 | 300 | 26695 | 88.98 |
| Hawk | 3947 | 5.7 | 376 | 40000 | 106.38 |
| Olsen | 3582 | 3 | 300 | 40800 | 136 |
| Phantom | 4027 | 6.1 | 425 | 40000 | 94.12 |
| PTZ | 3913 | 6.2 | 400 | 33195 | 82.99 |
| Stallion | 3603 | 5 | 412 | 33500 | 81.31 |
| T-400 | 3725 | 6 | 400 | 27170 | 67.93 |
| Tesco | 3466 | 5.7 | 310 | 24120 | 77.81 |
| Titan | 4006 | 4.6 | 368 | 33000 | 89.67 |
| Victor | 3909 | 5 | 500 | 99100 | 198.2 |
| Windsor | 3578 | 3.5 | 306 | 36550 | 119.44 |
| XR3 | 3534 | 4.6 | 315 | 29695 | 94.27 |
For each of the following statements, select Yes if the statement is true based on the information given. Otherwise select No.
100348
| Yes | No | |
| There are no models that have more than 500 horsepower. | ||
| All of the models that weigh more than 4,000 lb (pounds) have more than 400 horsepower. | ||
| The least expensive model produces the least horsepower per liter of engine size. |
ShowHide Answer
Official Answer
There are no models that have more than 500 horsepower.: No
All of the models that weigh more than 4,000 lb (pounds) have more than 400 horsepower.: No
The least expensive model produces the least horsepower per liter of engine size.: Yes
15 Oct 2024, 21:46
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guddo
Question 3. The least expensive model produces the least horsepower per liter of engine size
Observation can help you get to the answer with almost no calculations.
Sort by price to find the least expensive model. It is Tesco. Its HP/L = 310/5.7. Which car will have a lower HP/L than this? The one which has lower HP and similar L OR similar HP but higher L etc.
Now sort by HP. Values where HP is lower or similar to 310 all have much lower L than 5.7. Hence their HP/L will be higher.
Now sort by L. The values that have higher L than 5.7 have much higher HP too.
Hence Tesco must have the lowest HP/L.
Select Yes
Here is another such table question which seems to require a lot of calculations but actually doesn't: https://youtu.be/Ycf4nxv7Cms
General Discussion
07 Jun 2024, 06:52
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guddo
Official Explanation (OE):
Recognize
RO1
Sorting the table by Horsepower shows that the model with the greatest horsepower, Chaffer, has more than 500 horsepower.
The correct answer is No.
RO2
Sorting the table by Weight shows there are 3 models that weigh more than 4,000 lb. One of these 3 models, Titan, does not have more than 400 horsepower.
The correct answer is No.
RO3
Sorting the table by Price shows that Tesco is the least expensive model. Now sort the table by Horsepower. Among the top 5 rows, the ratio HP/L is clearly least for the Tesco model. In continuing down the rows, the ratio HP/L for each of the remaining models can be determined to be greater than that for the Tesco model by one of the following two observations: (1) The other model has a greater (or not smaller) numerator and a smaller (or not greater) denominator. (2) From the Tesco model to the other model, the percent increase in the numerator is greater than the percent increase in the denominator.
The correct answer is Yes.
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